CN213104710U

CN213104710U - End face milling cutter for machining large-scale component

Info

Publication number: CN213104710U
Application number: CN202022197850.9U
Authority: CN
Inventors: 刘在新; 刘洪伟
Original assignee: Shandong Zouping Petrochemical Machinery Co ltd
Current assignee: Shandong Zouping Petrochemical Machinery Co ltd
Priority date: 2020-09-29
Filing date: 2020-09-29
Publication date: 2021-05-04
Anticipated expiration: 2030-09-29

Abstract

The utility model relates to an end face milling cutter is used in processing of large-scale component. The end face milling cutter for machining the large-scale component comprises a cutter head and a cutter seat, wherein four through hole groups are formed in the cutter head, and each through hole group comprises a plurality of through holes which are distributed at equal intervals along the radial direction of the cutter head; the tool apron is fan-shaped, a certain number of step holes are formed in the fan-shaped central line position of the tool apron, the number of the step holes is equal to the number of through holes in one through hole group, and the distance between the step holes is equal to the distance between the through holes; and a cutter head bolt is inserted in the step hole and the through hole, the cutter head bolt penetrates through the step hole and the through hole and then is screwed and fixed by a cutter head nut, and the cutter seat and the cutter head are assembled and installed. The beneficial effects of the utility model are that, through the different combinations in through-hole and step hole, make blade holder mounted position can adjust to can be as required milling cutter mill the area, reach the high efficiency and mill big planar effect, more be fit for the processing of large-scale component, application scope is bigger.

Description

End face milling cutter for machining large-scale component

Technical Field

The utility model relates to a lathe cutter field especially relates to a large-scale member processing is with end face milling cutter.

Background

The end milling cutter has a large processing range, is suitable for end face cutting of metal materials such as castings and steel parts, has a small cutter head area of the end milling cutter for general parts for large components, needs to mill repeatedly when a large plane is milled, and has low milling efficiency.

Therefore, a milling cutter having a larger milling surface is required for milling a large-sized member.

Disclosure of Invention

The utility model discloses it is little to current milling cutter milling area, and the problem that efficiency is low when processing large-scale component terminal surface provides a can increase the large-scale component processing of milling area and use end face milling cutter.

In order to solve the problems, the technical scheme adopted by the utility model is that the end milling cutter for processing the large-scale component comprises a cutter head and a cutter holder, wherein the cutter head is provided with four through hole groups, and the through hole groups comprise a plurality of through holes which are distributed at equal intervals along the radial direction of the cutter head; the tool apron is fan-shaped, a certain number of step holes are formed in the fan-shaped central line position of the tool apron, the number of the step holes is equal to the number of the through holes contained in one through hole group, and the distance between every two adjacent step holes is equal to the distance between every two adjacent through holes; and a cutter head bolt is inserted in the step hole and the through hole, the cutter head bolt penetrates through the step hole and the through hole and then is screwed and fixed by a cutter head nut, and the cutter seat and the cutter head are assembled and installed. Through the different combinations of through-hole and step hole, make the blade holder mounted position can adjust to can mill the area as required milling cutter, reach the big planar effect of high-efficient milling, more be fit for the processing of large-scale component, application scope is bigger.

Preferably, the number of the tool holders is four. And the complete milling cutter face is formed by matching with the four through hole groups.

Preferably, the fan angle of the insert seat is 90 degrees. The milling surfaces of the four equal parts are round, so that the tool apron is the same part, and the processing cost is reduced.

Preferably, two cutter positions are arranged on the arc edge of the lower end face of the cutter holder and used for mounting the cutter blade. The cutter position is many, and cutting effect is good.

Preferably, the included angle between the two cutter positions and the connecting line of the circle centers of the fan-shaped cutter seats is 45 degrees. All the cutter positions are uniformly distributed along the circumference, the cutting force is uniform, and the cutting effect is good.

Preferably, a rubber plugging plug is inserted into a stepped hole on the cutter holder, which is not provided with the cutter head bolt. The design prevents chips from entering the outer side step hole, and avoids the step hole from being worn.

Preferably, the bolt performance grade of the cutter head bolt is not lower than 8.8. The cutter head bolt bears larger shearing force, and a high-strength bolt is selected, namely, the performance grade is not lower than 8.8.

Can find out through above technical scheme, the beneficial effects of the utility model are that:

(1) the traditional milling cutter structure is changed, so that the milling area can be adjusted as required, the efficiency is higher when a large-area end face is milled, and the milling cutter is more suitable for processing large-scale components;

(2) the assembly and adjustment modes are simple and easy to operate.

Drawings

In order to more clearly illustrate the technical solution of the present invention, the drawings used in the description will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural diagram of a first embodiment of the present invention.

Fig. 2 is a front view of fig. 1.

Fig. 3 is a schematic structural diagram of a second embodiment of the present invention.

Fig. 4 is an exploded view of the structure of fig. 3.

Fig. 5 is an enlarged view of a portion a in fig. 4.

In the figure: 1. the cutter comprises a cutter head, 11 through holes, 2 cutter seats, 21 step holes, 3 blades, 4 cutter head bolts (threads are omitted), 5 blade bolts (threads are omitted), 6 cutter head nuts and 7 plugs.

Detailed Description

In order to make the objects, features and advantages of the present invention more obvious and understandable, the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments, and obviously, the embodiments described below are only some embodiments of the present invention, not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the scope of protection of this patent.

Example one

As shown in fig. 1, 2, and 5: an end face milling cutter for machining large components comprises a cutter head 1 and four cutter holders 2 arranged on the cutter head, wherein four through hole groups are formed in the cutter head 1, each through hole group comprises four through holes 11 which are distributed at equal intervals along the radial direction of the cutter head 1, and an included angle between every two through hole groups is 90 degrees; the tool apron 2 is in a fan shape with 90 degrees, four step holes 21 are formed in the fan-shaped central line position of the tool apron 2, and the step holes 21 are opposite to the through holes 11 one by one; a cutter head bolt 4 is inserted into the stepped hole 21 and the through hole 11, the cutter head bolt 4 penetrates through the stepped hole 21 and the through hole 11 and then is screwed and fixed by a cutter head nut 6, the cutter seat 2 and the cutter head 1 are assembled and installed, and the cutter head bolt 4 is a high-strength bolt with the bolt performance grade not lower than 8.8 so as to bear the shearing force between the cutter seat 2 and the cutter head 1.

Two cutter positions are arranged on the fan-shaped arc edge of the lower end surface of the cutter holder 2, the included angle between the connecting line of the two cutter positions and the center of the fan-shaped circle is 45 degrees, and a blade 3 is fixedly installed in each cutter position through screwing of a blade bolt 5.

Example two

As shown in fig. 3-5, the four tool holders 2 in the first embodiment are removed, then the tool holders 2 are moved outward in the radial direction, the step holes are aligned with an adjacent through hole at the original position, for example, the innermost step hole in the radial direction is aligned with the second through hole from inside to outside on the cutter head 1, then the tool holders 2 and the cutter head 1 are fixedly installed by using the cutter head bolt 4 and the cutter head nut 6, and the second embodiment shown in fig. 3 is obtained, and the rubber plug 7 is inserted into the outermost step hole of the tool holder 2, so as to prevent chips from entering and causing abrasion.

Compared with the first embodiment, in the second embodiment, the distance between the tool holders 2 is increased, namely, the milling area is increased, and the method is more suitable for machining large end faces.

Meanwhile, according to the adjusting method in the second embodiment, the milling area can be further enlarged to be suitable for machining larger components.

As can be seen from the above embodiment, the utility model has the advantages that: the traditional milling cutter structure is changed, so that the milling area can be adjusted as required, the efficiency is higher when a large-area end face is milled, and the milling cutter is more suitable for processing large-scale components; the assembly and adjustment modes are simple and easy to operate.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments, such as changing the number of through holes and stepped holes, changing the number of tool seats or tool positions, will be apparent to those skilled in the art. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. The end face milling cutter for machining the large-scale component is characterized by comprising a cutter head (1) and a cutter holder (2), wherein four through hole groups are formed in the cutter head (1), and each through hole group comprises a plurality of through holes (11) which are distributed at equal intervals along the radial direction of the cutter head (1);

the tool apron (2) is fan-shaped, a certain number of step holes (21) are formed in the fan-shaped center line of the tool apron (2), the number of the step holes (21) is equal to the number of the through holes (11) contained in one through hole group, and the distance between every two adjacent step holes (21) is equal to the distance between every two adjacent through holes (11);

step hole (21) with connect in through-hole (11) blade disc bolt (4), blade disc bolt (4) pass step hole (21) with behind through-hole (11) with blade disc nut (6) screw up fixedly, will blade holder (2) with blade disc (1) aggregate erection.

2. End mill for machining large components according to claim 1, characterized in that the number of the seats (2) is four.

3. The face mill for machining large components according to claim 1, wherein the seat (2) has a fan angle of 90 degrees.

4. A face mill for machining large components according to any one of claims 1-3, characterised in that the lower end surface of the holder (2) is provided with two cutting sites at the arc edge, said cutting sites being intended for the mounting of inserts.

5. The face milling cutter for machining large components according to claim 4, wherein the included angle between the two tool positions and the line connecting the centers of the fan-shaped circles of the tool holder (2) is 45 degrees.

6. An end mill for machining large components according to any one of claims 1 to 3, wherein a rubber plug (7) is inserted into a stepped hole of the holder (2) to which the cutter head bolt (4) is not attached.

7. A face mill for machining large components according to any one of claims 1 to 3, characterized in that the cutter head bolts (4) have a bolt performance rating of not less than 8.8.